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Oksanka [162]
3 years ago
13

Please help me with this question!!! Thank you!!

Mathematics
2 answers:
Andrei [34K]3 years ago
8 0

i think its u=9, cuz 9 squared equals 81, anyway hope this helps

Mademuasel [1]3 years ago
4 0

Answer:

Step-by-step explanation:

u^2=81

u=\sqrt{81}

u=9

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